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$247+ Cheap flights from Oregon to London (LON)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LON
Jun 15 — Jun 221
Mon 6/15
Mon 6/22
1 adult, Economy
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Cheap flight deals from Oregon to London

Cheapest flights from Oregon to London
Explore the most affordable flight options available from Oregon to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 16, 2026.

This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:29 pm
BOI
-
LHR
1 stop16h 31m
United Airlines
Thu 11/1211:05 am
LHR
-
BOI
2 stops43h 01m
United Airlines
Deal found 5/11$748
This KLM deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:45 am
EUG
-
LHR
1 stop21h 15m
KLM
Wed 9/306:30 am
LHR
-
EUG
2 stops17h 28m
KLM
Deal found 5/14$878
This Delta deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:50 pm
BOI
-
LHR
1 stop17h 45m
Delta
Wed 10/76:30 am
LHR
-
BOI
2 stops19h 03m
Delta
Deal found 5/14$878
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:55 am
EUG
-
LHR
1 stop16h 15m
United Airlines
Fri 10/306:35 am
LHR
-
EUG
2 stops23h 45m
United Airlines
Deal found 5/13$880
This Air France deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:45 am
EUG
-
LHR
2 stops16h 40m
Multiple Airlines
Wed 9/306:30 am
LHR
-
EUG
2 stops17h 28m
Multiple Airlines
Deal found 5/15$882
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:15 am
EUG
-
LHR
2 stops22h 50m
Delta
Wed 9/306:30 am
LHR
-
EUG
2 stops25h 16m
Delta
Deal found 5/11$883
This Scandinavian Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:42 pm
BOI
-
LHR
2 stops22h 48m
Scandinavian Airlines
Mon 9/287:50 pm
LHR
-
BOI
3 stops29h 45m
Scandinavian Airlines
Deal found 5/16$885
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:37 am
BOI
-
LHR
1 stop18h 58m
United Airlines
Fri 10/99:30 am
LHR
-
BOI
2 stops45h 22m
United Airlines
Deal found 5/13$888
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:05 pm
BOI
-
LGW
2 stops16h 55m
Delta
Wed 10/710:25 am
LGW
-
BOI
2 stops20h 27m
Delta
Deal found 5/15$889
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:30 pm
EUG
-
LGW
2 stops19h 30m
Delta
Fri 10/3010:00 am
LGW
-
EUG
2 stops20h 47m
Delta
Deal found 5/13$891
This United Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:57 pm
EUG
-
LHR
1 stop16h 13m
United Airlines
Wed 9/3011:25 am
LHR
-
EUG
1 stop17h 47m
United Airlines
Deal found 5/14$907
This KLM deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:30 pm
EUG
-
LHR
1 stop19h 05m
KLM
Mon 10/126:30 am
LHR
-
EUG
2 stops17h 28m
KLM
Deal found 5/16$927

Find flight deals from Oregon to London

Keep the following information in mind while searching for Oregon to London flight deals. Data was last updated May 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$748
(United Airlines)

One-way from

$247
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$966

Good round-trip deal

$991 or less

Good one-way deal

$397 or less
Provider with most accurate pricing for Portland-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-London (LON) flights.
Search Deals
From Oregon to London (LON)
Search Deals
One-way flight from Oregon to London (LON)
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($168 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Oregon to London (LON).
Search Deals
Price to beat on a one-way flight from Oregon to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 16, 2026.
Use the filters below to find and compare flights from Oregon to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 9/15

12:42 pm-5:40 pm

2 stops21h 58m

London Heathrow

Mon 9/28

7:50 pm-6:35 pm

3 stops29h 45m

$887

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Tue 9/29

4:05 pm-4:00 pm

2 stops16h 55m

London Gatwick

Wed 10/7

10:25 am-11:52 pm

2 stops20h 27m

$889

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 11/10

4:21 pm-12:20 pm

1 stop12h 59m

London Heathrow

Thu 11/12

2:45 pm-11:51 pm

1 stop16h 06m

$889

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Mon 8/10

10:35 am-9:40 am

2 stops16h 05m

London Gatwick

Thu 8/20

10:25 am-10:30 pm

2 stops19h 05m

$891

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Sun 9/6

3:25 pm-4:00 pm

2 stops17h 35m

London Gatwick

Wed 9/9

10:25 am-11:04 pm

2 stops19h 39m

$891

EugeneLondon

EUG - LGW

EUGLGW

Eugene

Tue 10/13

12:30 pm-4:00 pm

2 stops19h 30m

London Gatwick

Fri 10/30

10:00 am-11:47 pm

2 stops20h 47m

$891

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 8/10

11:12 am-11:20 am

2 stops17h 08m

London Heathrow

Thu 8/20

11:30 am-11:53 pm

2 stops19h 23m

$891

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Tue 9/22

12:30 pm-3:35 pm

1 stop19h 05m

London Heathrow

Wed 9/30

11:40 am-5:11 pm

1 stop13h 31m

$908

PortlandLondon

PDX - LCY

PDXLCY

Portland

Sun 8/23

1:05 pm-5:20 pm

1 stop20h 15m

London City

Fri 8/28

7:00 pm-11:10 am

1 stop24h 10m

$955

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 9/15

4:05 pm-3:35 pm

1 stop16h 30m

London Heathrow

Mon 9/28

11:40 am-11:59 pm

1 stop19h 19m

$956

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Oregon to London

Have a flexible travel schedule? Discover the best time to fly to London from Oregon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oregon to London

How far ahead should I book a flight from Oregon to London?

Booking 53 days in advance of your planned departure date is, on average, the best time to get cheap flights from Oregon to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Oregon to London?

Currently, June is the cheapest month in which you can book a flight from Oregon to London (average of $217). Flying from Oregon to London in September is currently the most expensive (average of $972). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from OR to LON?

Find hourly flight availability from Oregon to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 16, 2026.

When flying from Oregon to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Oregon to London

Explore weekly flight availability from Oregon to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 16, 2026.

The most flights from USOR to LON are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

How much does it cost to fly round-trip from Oregon to London?

Related info for your journey

Find useful and relevant information for your journey from Oregon to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Oregon to London?

    Airlines like United Airlines, Virgin Atlantic, and Scandinavian Airlines fly from Oregon to London in about 16h 31m. The time it takes to get you to your destination can typically vary by up to 5h 27m. The distance between Oregon and London is about 4829 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Oregon to London one-way?

    One-way options have recently been found by users for as low as $192 on Icelandair. Other airlines that offer cheap prices include Iberia from $374 and Delta from $378 one-way.

  • What are the most popular routes from Oregon to London?

    While some choose either Portland - London Gatwick or Portland - London Stansted, Portland - London Heathrow is the most popular route from Oregon to London.

  • What are the most reliable airlines from Oregon to London?

    No one likes to see their flight delayed. When booking a flight from Oregon to London consider choosing American Airlines (92%), Alaska Airlines (92%) or Aer Lingus (92%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Oregon to London?

    Looking at all options, your cheapest flight can be booked for $336. While the most popular route (Portland - London Heathrow) can be booked for $837 on average, our data indicates $1,319 when flying from Oregon to London.

  • Can I find deals for flights from Oregon to London that include hotel bookings?

    Yes. In addition to deals on Oregon to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oregon to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to London.

  • Can I find deals for business class flights from Oregon to London?

    Yes. Cheapflights offers flight deals from Oregon to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oregon to London?

    Currently, June is the cheapest month in which you can book a flight from Oregon to London (average of $217). Flying from Oregon to London in September is currently the most expensive (average of $972). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Dorking
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Oregon to London

Discover the top 10 airlines that operate flights from Oregon to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$217Average$1,082FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$472Average$660FlexibilityNo cancel feeOn-time76%
IberiaCheapest$525Average$995FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$538Average$1,014FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$558Average$949FlexibilityNo cancel feeOn-time72%
KLMCheapest$561Average$659FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$575Average$878FlexibilityNo cancel feeOn-time70%
Alaska AirlinesCheapest$600Average$1,101FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$630Average$881FlexibilityNo cancel feeOn-time67%
FinnairCheapest$664Average$977FlexibilityNo cancel feeOn-time76%

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